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Subject: Re: [ws-caf] How many ALSs in an activity?
Mark Little wrote: > When going over what the Context model assumed to ALS-to-activity > bindings, the following questions arose: > > Do multiple ALSs register for a single protocol? How does the context > service know how many ALSs must be registered for a particular protocol? > > I hope we've been clear in the UML/text that the intention was always > that multiple ALSs could register with a context service (aka activity > service). However, what wasn't clear was the role of the 'type' field > in the context. This was intended to map to an implied set of ALSs and > recipients of the type could infer from it what was in the context. > Defining *what* the type is is within the specification IMO, but > saying *how* it maps to specific combinations of ALSs should be > outside the scope of the spec. What I mean is that we shouldn't say > that urn:foo:bar:1234 is a transactional protocol-type with only a > single transaction ALS registered with an activity, whereas > urn:foo:bar:5678 is a secure+transactional protocol-type. Other > specifications should do that. (It's the same as defining the formatID > in the OTS context). > > So, as far as the myself, Greg and Eric are concerned, this is more an > issue of text clarification. Comments? Agreed. Ricardo -- Ricardo Jimenez-Peris Associate Professor Universidad Politecnica de Madrid http://lsd.ls.fi.upm.es/%7Erjimenez/
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